| # RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \ |
| # RUN: -stop-after=prologepilog | FileCheck %s |
| |
| # Check that lr isn't paired with a GPR if it's the first pair, as |
| # that can't be described as a SEH opcode if combined with predecrement. |
| |
| # CHECK: early-clobber $sp = frame-setup STRXpre killed $x19, $sp, -16 |
| # CHECK-NEXT: frame-setup SEH_SaveReg_X 19, -16 |
| # CHECK-NEXT: frame-setup STRXui killed $lr, $sp, 1 |
| # CHECK-NEXT: frame-setup SEH_SaveReg 30, 8 |
| # CHECK-NEXT: frame-setup SEH_PrologEnd |
| |
| --- | |
| |
| define dso_local i32 @func(i32 %a) { ret i32 %a } |
| declare dso_local i32 @other() |
| |
| ... |
| --- |
| name: func |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| hasWinCFI: false |
| registers: [] |
| liveins: [] |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: false |
| hasCalls: false |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 4 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: [] |
| stack: [] |
| callSites: [] |
| constants: [] |
| machineFunctionInfo: {} |
| body: | |
| bb.0: |
| liveins: $x0, $x19 |
| |
| BL @other, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0 |
| $x19 = ADDXrr $x0, $x0 |
| $x0 = ADDXrr $x0, killed $x19 |
| |
| RET_ReallyLR |
| |
| ... |
